e100: Do suspend/shutdown like e1000

This fixes a "trying to free already free IRQ" message and simplifies
the shutdown/suspend code by re-using already existing code when going
to suspend. The code is now symmetric with e100_resume.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 3 insertions, 26 deletions

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 36ba6dc96acc..cdf3090a1885 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2782,16 +2782,13 @@ static void __devexit e100_remove(struct pci_dev *pdev)
         }
 }
 
-#ifdef CONFIG_PM
 static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
 {
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct nic *nic = netdev_priv(netdev);
 
         if (netif_running(netdev))
-                napi_disable(&nic->napi);
-        del_timer_sync(&nic->watchdog);
-        netif_carrier_off(nic->netdev);
+                e100_down(nic);
         netif_device_detach(netdev);
 
         pci_save_state(pdev);
@@ -2804,14 +2801,13 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
                 pci_enable_wake(pdev, PCI_D3cold, 0);
         }
 
-        free_irq(pdev->irq, netdev);
-
         pci_disable_device(pdev);
         pci_set_power_state(pdev, PCI_D3hot);
 
         return 0;
 }
 
+#ifdef CONFIG_PM
 static int e100_resume(struct pci_dev *pdev)
 {
         struct net_device *netdev = pci_get_drvdata(pdev);
@@ -2832,26 +2828,7 @@ static int e100_resume(struct pci_dev *pdev)
 
 static void e100_shutdown(struct pci_dev *pdev)
 {
-        struct net_device *netdev = pci_get_drvdata(pdev);
-        struct nic *nic = netdev_priv(netdev);
-
-        if (netif_running(netdev))
-                napi_disable(&nic->napi);
-        del_timer_sync(&nic->watchdog);
-        netif_carrier_off(nic->netdev);
-
-        if ((nic->flags & wol_magic) | e100_asf(nic)) {
-                pci_enable_wake(pdev, PCI_D3hot, 1);
-                pci_enable_wake(pdev, PCI_D3cold, 1);
-        } else {
-                pci_enable_wake(pdev, PCI_D3hot, 0);
-                pci_enable_wake(pdev, PCI_D3cold, 0);
-        }
-
-        free_irq(pdev->irq, netdev);
-
-        pci_disable_device(pdev);
-        pci_set_power_state(pdev, PCI_D3hot);
+        e100_suspend(pdev, PMSG_SUSPEND);
 }
 
 /* ------------------ PCI Error Recovery infrastructure  -------------- */